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Finding the Fourth Proportional to 93,757.88, 140,734.08 and 62,809.40

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Solution

The fourth proportional to 93,757.88, 140,734.08 and 62,809.40 is: 94,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,757.88 : 140,734.08 = 62,809.40 : x
  2. Step 2: Convert to fraction form
    93,757.88/140,734.08 = 62,809.40/x
  3. Step 3: Cross multiply
    93,757.88x = 140,734.08 × 62,809.40
  4. Step 4: Simplify right side
    93,757.88x = 8,839,423,124.35
  5. Step 5: Solve for x
    x = 8,839,423,124.35/93,757.88
  6. Step 6: Final answer
    x = 94,279.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.